48 lines
1.5 KiB
C
48 lines
1.5 KiB
C
/*
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* Copyright (c) 2013 Todd C. Miller <millert@openbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/types.h>
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#include <db.h>
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#include <string.h>
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#include "grey.h"
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/* Fill in struct gdata from DBT, converting from obsolete format as needed. */
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int
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gdcopyin(const void *v, struct gdata *gd)
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{
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const DBT *dbd = v;
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int rc = 0;
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if (dbd->size == sizeof(struct gdata)) {
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/* Current grey data format. */
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memcpy(gd, dbd->data, sizeof(struct gdata));
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} else if (dbd->size == sizeof(struct ogdata)) {
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/* Backwards compat for obsolete grey data format. */
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struct ogdata ogd;
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memcpy(&ogd, dbd->data, sizeof(struct ogdata));
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gd->first = ogd.first;
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gd->pass = ogd.pass;
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gd->expire = ogd.expire;
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gd->bcount = ogd.bcount;
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gd->pcount = ogd.pcount;
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} else {
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/* Unsupported grey data format. */
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rc = -1;
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}
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return (rc);
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}
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